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xHP TCU Flashtool, 6speed - JB4 must be removed? -
02-03-2019, 05:22 PM
Is this true?
I see in the xHP user manual it states that the JB4 should be removed prior to reflashing the TCU. In some cases it has worked with JB4 installed but... on their “test cars” it wouldn’t work with JB4 set to zero. Once flashed you can reinstall the JB4. However on forums I see that the “newest software” for the JB4 allowed it to flash fine with JB4 set to 0. Example: That post was over a year ago. Post #159 (July 2017) xHP Flashtool: Official thread - ZF6HP TCU Flash | BMW - SpoolStreet 2008 535xi e60 N54 6speed auto. |
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02-03-2019, 09:36 PM
I've flashed it plenty of times on map0, but if you run in to issues just putting the gray subconnector to stock would bypass all the CANbus functions physically if needed.
Home of the JB4 the worlds most popular turbocharged tuning system! It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts. |
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02-04-2019, 08:25 AM
Should be fine on “0”
Just flashed a friends JB4 car last week- no issues. Word of advice if you are debating which stage to run- imo stage 3 or nothing Home of the JB4 the worlds most popular turbocharged tuning system! It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts. |
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02-04-2019, 12:56 PM
Thanks Terry and Dave! I will give it a shot tonight!
Digging my hole deeper: After re-reading my question I think I should be more specific... can the JB4 remain installed while performing the initial xHP software installation? Connect -> Backup -> Install -> Flash. User manual says 15 - 20 of this long flash installation prior to writing the Stage 3 flash settings (after the xHP app has completed its stock TCU backup). (I understand that the quick-flash can be done with JB4 Map0) |
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02-04-2019, 01:33 PM
Quote:
Home of the JB4 the worlds most popular turbocharged tuning system! It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts. |
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02-04-2019, 09:46 PM
Quote:
 Home of the JB4 the worlds most popular turbocharged tuning system! It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts. |
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